Home / 19,972.36-29,960.22-6,825.64

Finding the Fourth Proportional to 19,972.36, 29,960.22 and 6,825.64

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Solution

The fourth proportional to 19,972.36, 29,960.22 and 6,825.64 is: 10,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.36 : 29,960.22 = 6,825.64 : x
  2. Step 2: Convert to fraction form
    19,972.36/29,960.22 = 6,825.64/x
  3. Step 3: Cross multiply
    19,972.36x = 29,960.22 × 6,825.64
  4. Step 4: Simplify right side
    19,972.36x = 204,497,676.04
  5. Step 5: Solve for x
    x = 204,497,676.04/19,972.36
  6. Step 6: Final answer
    x = 10,239.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.